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Finding the Fourth Proportional to 407.68, 562.46 and 241.96

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Solution

The fourth proportional to 407.68, 562.46 and 241.96 is: 333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.68 : 562.46 = 241.96 : x
  2. Step 2: Convert to fraction form
    407.68/562.46 = 241.96/x
  3. Step 3: Cross multiply
    407.68x = 562.46 × 241.96
  4. Step 4: Simplify right side
    407.68x = 136,092.82
  5. Step 5: Solve for x
    x = 136,092.82/407.68
  6. Step 6: Final answer
    x = 333.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.